MarketPeel
Insider Trading Intelligence
JL

Jonathan E. Lim

ERAS
CHAIRMAN & CEO · ERASCA, INC. · CIK 0001283290
FILING MIX · LIFETIME72%/28%
BUYS
26
SELLS
10
TOTAL VALUE
$4.71M
COMPANIES
3
ACTIVE SINCE
Jul 2021
HOLDINGS NOW
2,066,000
AVG SELL PX
TRADE KIND
SHOWING 36 / 36
Trades · vs SPY
Loading price series…
Performance · forward returns vs SPY
7 backtested trades · 8 horizons
Forward-return performance of every backtestable P/S trade by Jonathan E. Lim, measured at 8 horizons from 7 days to 2 years. Deduped per economic event so co-filings count once. Excess return = trade return minus SPY return over the same window.
HORIZONTRADESWIN RATEINSIDER RETURNSPY RETURNMEAN EXCESSMEDIAN EXCESST-STAT
7d7+85.71%+6.34%+1.81%+4.52%+5.36%
14d7+71.43%+2.17%+1.59%+0.58%+2.87%
30d7+71.43%+6.07%+2.82%+3.25%+0.84%
60d7+14.29%-9.40%+5.61%-15.01%-11.56%
90d7+28.57%-0.12%+7.59%-7.71%-9.88%
180d7+42.86%-3.53%+13.80%-17.33%-32.68%
1y7+42.86%+3.55%+30.17%-26.63%-38.93%
2y7+42.86%+3.87%+52.73%-48.86%-81.85%
How to read this: Insider Returnis the average raw return of the filer's trades over the horizon. SPY Return is what SPY did over those same windows — reference only, not a comparison. The headline alpha number is Mean Excess = Insider − SPY; green means the filer beat SPY, red means they trailed it. Win rate is the share of individual trades where the filer beat SPY. T-statvalues above 2 mean the alpha is unlikely to be chance given the sample size. "Pending" counts trades where the horizon hasn't elapsed yet; their stats are not included in the row average.
Holdings over time
ERAS · 2,000,000 shares · as of Jan 29, 2026
05,064,05610,128,11115,192,16720,256,22220222023202420252026SHARES HELD
Trading cadence · quarterly flow
BUY SELL
2021
2021
2022
2022
2022
2022
2023
2023
2023
2023
2024
2024
2024
2024
2025
2025
2025
2025
2026
2026
FLOW · 26 buys / 10 sellsCOVERAGE · 20 quarters
Form 4 filings · all activity
COMPANYTYPESHARESPRICEVALUEHELD AFTERTRADE DATEFILEDDETAILS
BOLD
BOUNDLESS BIO, INC.
PURCHASEGRANT
Stock grant
48,00048,000Jun 15, 2026Jun 15, 2026View →
MAZE
MAZE THERAPEUTICS, INC.
PURCHASEGRANT
Stock grant
18,00018,000Jun 8, 2026Jun 10, 2026View →
ERAS
ERASCA, INC.
PURCHASEGRANT
Stock grant
2,000,0002,000,000Jan 29, 2026Jan 30, 2026View →
MAZE
MAZE THERAPEUTICS, INC.
PURCHASEGRANT
Stock grant
18,00018,000Sep 22, 2025Sep 24, 2025View →
BOLD
BOUNDLESS BIO, INC.
PURCHASEGRANT
Stock grant
24,00024,000Jun 23, 2025Jun 23, 2025View →
MAZE
MAZE THERAPEUTICS, INC.
SALE
2,231,3810Feb 3, 2025Feb 4, 2025View →
MAZE
MAZE THERAPEUTICS, INC.
PURCHASE
37,72437,724Feb 3, 2025Feb 4, 2025View →
MAZE
MAZE THERAPEUTICS, INC.
PURCHASE
270,232307,956Feb 3, 2025Feb 4, 2025View →
MAZE
MAZE THERAPEUTICS, INC.
SALE
363,7030Feb 3, 2025Feb 4, 2025View →
ERAS
ERASCA, INC.
PURCHASEGRANT
Stock grant
2,500,0002,500,000Feb 3, 2025Feb 5, 2025View →
MAZE
MAZE THERAPEUTICS, INC.
SALE
5,7040Dec 9, 2024Feb 4, 2025View →
MAZE
MAZE THERAPEUTICS, INC.
PURCHASEGRANT
Stock grant
9,0869,086Dec 9, 2024Feb 4, 2025View →
MAZE
MAZE THERAPEUTICS, INC.
PURCHASEGRANT
Stock grant
5,7045,704Dec 9, 2024Feb 4, 2025View →
BOLD
BOUNDLESS BIO, INC.
PURCHASEGRANT
Stock grant
6,6106,610Jun 20, 2024Jun 20, 2024View →
ERAS
ERASCA, INC.
PURCHASEGRANT
Stock grant
632,759632,759Jun 20, 2024Jun 21, 2024View →
BOLD
BOUNDLESS BIO, INC.
SALE
5,1280Apr 2, 2024Apr 4, 2024View →
BOLD
BOUNDLESS BIO, INC.
SALE
7,3260Apr 2, 2024Apr 4, 2024View →
BOLD
BOUNDLESS BIO, INC.
SALE
512,8200Apr 2, 2024Apr 4, 2024View →
BOLD
BOUNDLESS BIO, INC.
PURCHASE
525,274550,915Apr 2, 2024Apr 4, 2024View →
BOLD
BOUNDLESS BIO, INC.
PURCHASEGRANT
Stock grant
13,21913,219Mar 27, 2024Mar 29, 2024View →
ERAS
ERASCA, INC.
PURCHASEGRANT
Stock grant
1,500,0001,500,000Feb 5, 2024Feb 7, 2024View →
ERAS
ERASCA, INC.
PURCHASE
Chairman & CEO
278,150$1.72$478.4K12,899,360Dec 6, 2023Dec 6, 2023View →
ERAS
ERASCA, INC.
PURCHASE
Chairman & CEO
721,850$1.69$1.22M12,899,360Dec 5, 2023Dec 6, 2023View →
ERAS
ERASCA, INC.
PURCHASE
Chairman & CEO
1,000,000$2.03$2.03M19,456,216Oct 5, 2023Oct 9, 2023View →
ERAS
ERASCA, INC.
PURCHASE
Chairman & CEO
100,000$2.75$275.0K18,396,216Jun 8, 2023Jun 8, 2023View →
ERAS
ERASCA, INC.
PURCHASE
Chairman & CEO
100,000$2.84$284.0K18,296,216Mar 28, 2023Mar 28, 2023View →
ERAS
ERASCA, INC.
PURCHASEGRANT
Stock grant
1,500,0001,500,000Feb 1, 2023Feb 2, 2023View →
ERAS
ERASCA, INC.
PURCHASE
Chairman & CEO
60,000$3.86$231.4K20,256,222Jan 10, 2023Jan 10, 2023View →
ERAS
ERASCA, INC.
PURCHASE
Chairman & CEO
40,000$4.99$199.6K20,196,222Dec 14, 2022Dec 15, 2022View →
ERAS
ERASCA, INC.
PURCHASEGRANT
Stock grant
791,000791,000Feb 1, 2022Feb 3, 2022View →
ERAS
ERASCA, INC.
PURCHASE
See Remarks
5,135,39020,156,222Jul 20, 2021Jul 20, 2021View →
ERAS
ERASCA, INC.
SALE
See Remarks
6,081,2330Jul 20, 2021Jul 20, 2021View →
ERAS
ERASCA, INC.
SALE
See Remarks
336,0000Jul 20, 2021Jul 20, 2021View →
ERAS
ERASCA, INC.
SALE
See Remarks
112,0000Jul 20, 2021Jul 20, 2021View →
ERAS
ERASCA, INC.
SALE
See Remarks
6,162,4680Jul 20, 2021Jul 20, 2021View →
ERAS
ERASCA, INC.
PURCHASE
See Remarks
5,441,02711,899,360Jul 20, 2021Jul 20, 2021View →
Other insiders · ERAS
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About this filer
CIK 0001283290
ROLE
Chairman & CEO
PRIMARY
ERAS
COMPANIES
3
ACTIVE SINCE
Jul 2021
MARKETPEEL · /INSIDER/0001283290DATA · SEC EDGAR · FORM 4 · CONSOLIDATED TAPE
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